Table 2.

Main and Interactive Effects of anxiety sensitivity and dysphoria for the criterion variables.

Smoking Negative Affect Reduction Expectancies
	β	T	p	R2 Change
Step 1
Gender	.13	2.82	.005
Neuroticism	.31	6.42	<.001
AUDIT	.12	2.72	.007
CPD	.12	2.98	.003
Medical Problems	−.10	−2.35	.02
Axis I Disorder	.03	.71	.47	.19***
Non-alc-abuse	.00	.17	.85
Step 2
Dysphoria	.23	3.78	<.001
AS	.01	.16	.86	.03***
Step 3
Dysphoria * AS	−.34	−2.11	.03	<.01*
Perceived Barriers to Cessation
	β	t	p	R2 Change
Step 1
Gender	.17	3.81	<.001
Neuroticism	.26	5.40	<.001
AUDIT	.06	1.42	.15
CPD	.10	2.33	.02
Medical Problems	.01	.14	.88
Axis I Disorder	.02	.53	.59	.14***
Non-alc-abuse	.02	.41	.67
Step 2
Dysphoria	.33	5.45	<.001
AS	.07	1.29	.19	.08***
Step 3
Dysphoria * AS	−.42	−2.64	.01	.01**
Smoking-specific Experiential Avoidance
	β	t	p	R2 Change
Step 1
Gender	.15	3.18	.002
Neuroticism	.14	2.87	.004
AUDIT	.05	1.09	.27
CPD	.17	3.89	<.001
Medical Problems	.05	1.13	.25
Axis I Disorder	.05	1.00	.31	.10***
Non-alc-abuse	.03	.71	.47
Step 2
Dysphoria	.28	4.37	<.001
AS	.08	1.45	.14	.06***
Step 3
Dysphoria * AS	−.35	−2.11	.03	.01*

Note. N=448;

^*p < .05,

^**p < .01,

^***p < .001.

Gender (0=male; 1=female);

Neuroticism = Big Five Inventory– Neuroticism subscale¹; AUDIT = Alcohol Use Disorders Identification Test – total score²; CPD = Number of cigarettes per day during past week per the Smoking History Questionnaire³; Medical Problems = Tobacco-related medical illnesses per the Medical Screening Questionnaire; Axis I Disorder = Current Axis I disorder (other than substance abuse problems) per the Structured Clinical Interview—Non-Patient Version for DSM-IV (0=no; 1=yes)⁴; Non-alc-abuse = Current non-alcohol substance abuse/dependence diagnosis per the Structured Clinical Interview—Non-Patient Version for DSM-IV (0=no; 1=yes)⁴; Dysphoria= Inventory of Depression and Anxiety Symptoms (IDAS) Dysphoria subscale⁵; AS= Anxiety Sensitivity Index-III – total score.⁶